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L-半胱氨酸盐一水物
56326583693
7048/-04-6
L-Cysteine hydrochloride monohydrate
25*1
产品规格
L-半胱氨酸盐酸盐一水 | L-半胱氨酸盐酸盐无水物 | ||||
AJI92 | USP43 | CP2020 | EP10 | AJI92 | |
含量 | 99.0-100.5% | 98.5-101.5% | ≥98.5% | 98.5-101.0% | 98.0-10.2.0% |
酸度 | 1.5-2.0 | / | 1.5-2.0 | / | 1.5-2.0 |
比旋度[a]D20 | +5.5°-+7.0° | / | +5.5°-+7.0° | +5.5°-+7.0° | +5.6°-+8.9° |
比旋度[a]D25 | / | +5.7°-+6.8° | / | / | / |
透光 | ≥98.0% | / | ≥98.0% | clear & colorless ≤BY6 | ≥98.0% |
氯化物 | 19.89-20.29% | / | 19.8-20.8% | / | |
铵盐 | ≤0.02% | / | / | ≤0.02% | / |
硫酸盐 | ≤0.02% | ≤0.03% | ≤0.02% | ≤0.03% | / |
铁盐 | ≤10PPM | ≤30PPM | ≤10PPM | ≤20PPM | / |
重金属 | ≤10PPM | / | ≤10PPM | / | ≤10PPM |
砷盐 | ≤1PPM | / | ≤1PPM | / | ≤1PPM |
其他氨基酸 | Chromatographically not detectable. | individual impurities≤0.5% total impurities≤2.0% | ≤0.5% | / | conform |
茚三酮活性物质 | / | / | / | Each impurity≤ 0.2% Total impurity≤ 1.0% |
/ |
干燥失重 | 8.5-12.0% | 8.0-12.0% | 8.0-12.0% | 8.0-12.0% | ≤1.0% |
炽灼残渣 | ≤0.10% | ≤0.4% | ≤0.10% | ≤0.10% | ≤0.1% |
有机挥发物 | / | / | / | / | / |
内毒素 | / | / | conform | / | / |
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产品规格
L-半胱氨酸盐酸盐一水 | L-半胱氨酸盐酸盐无水物 | ||||
AJI92 | USP43 | CP2020 | EP10 | AJI92 | |
含量 | 99.0-100.5% | 98.5-101.5% | ≥98.5% | 98.5-101.0% | 98.0-10.2.0% |
酸度 | 1.5-2.0 | / | 1.5-2.0 | / | 1.5-2.0 |
比旋度[a]D20 | +5.5°-+7.0° | / | +5.5°-+7.0° | +5.5°-+7.0° | +5.6°-+8.9° |
比旋度[a]D25 | / | +5.7°-+6.8° | / | / | / |
透光 | ≥98.0% | / | ≥98.0% | clear & colorless ≤BY6 | ≥98.0% |
氯化物 | 19.89-20.29% | / | 19.8-20.8% | / | |
铵盐 | ≤0.02% | / | / | ≤0.02% | / |
硫酸盐 | ≤0.02% | ≤0.03% | ≤0.02% | ≤0.03% | / |
铁盐 | ≤10PPM | ≤30PPM | ≤10PPM | ≤20PPM | / |
重金属 | ≤10PPM | / | ≤10PPM | / | ≤10PPM |
砷盐 | ≤1PPM | / | ≤1PPM | / | ≤1PPM |
其他氨基酸 | Chromatographically not detectable. | individual impurities≤0.5% total impurities≤2.0% | ≤0.5% | / | conform |
茚三酮活性物质 | / | / | / | Each impurity≤ 0.2% Total impurity≤ 1.0% |
/ |
干燥失重 | 8.5-12.0% | 8.0-12.0% | 8.0-12.0% | 8.0-12.0% | ≤1.0% |
炽灼残渣 | ≤0.10% | ≤0.4% | ≤0.10% | ≤0.10% | ≤0.1% |
有机挥发物 | / | / | / | / | / |
内毒素 | / | / | conform | / | / |
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